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Subject:	Re : RH measurement (2)
From:	Matthias Langensiepen <[log in to unmask]>
Reply To:	DSSAT - Crop Models and Applications <[log in to unmask]>
Date:	Mon, 24 Jun 2002 13:48:11 +0200
Content-Type:	text/plain
Parts/Attachments:	text/plain (30 lines)

Dear Dr. Panda,

the note on Saturday was a quick
shoot and I forgot to mention
that the saturation vapor
pressure in the psychromter
equation ES (step 4) should
be determined from wet-bulb
temperature Tw (step 3)

EA=ES(Tw)-gamma*pa*(Ta-Tw)

and those for calculating
humidity (step 5) from
dry-bulb temperature (step 2)

hr=EA/ES(Ta)

Sorry for the confusion you and
others might have had.

Matthias

--
Matthias Langensiepen, PhD
Hannover, Germany

Home : www.langensiepen.net
Email : [log in to unmask]

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